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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table">
<div><a href="../operator_q__q_s.html" title='cpp/chrono/operator""s'><span class="t-lines"><span>operator""s</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div>
</div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table">
<div><a href="../operator_q__q_ms.html" title='cpp/chrono/operator""ms'><span class="t-lines"><span>operator""ms</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div>
</div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table">
<div><a href="../operator_q__q_us.html" title='cpp/chrono/operator""us'><span class="t-lines"><span>operator""us</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div>
</div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table">
<div><a href="../operator_q__q_ns.html" title='cpp/chrono/operator""ns'><span class="t-lines"><span>operator""ns</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div>
</div></td></tr>
</table></div></td>
</tr>
<tr class="t-nv-h1"><td colspan="5"> Helper classes</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../treat_as_floating_point.html" title="cpp/chrono/treat as floating point"><span class="t-lines"><span>treat_as_floating_point</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../duration_values.html" title="cpp/chrono/duration values"><span class="t-lines"><span>duration_values</span></span></a></div></div></td></tr>
</table></div>
<div></div>
</div></div>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period1, <span class="kw1">class</span> Rep2, <span class="kw1">class</span> Period2 <span class="sy1">&gt;</span><br>
<p><span class="kw1">typename</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span>, duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;&gt;</span><span class="sy4">::</span><span class="me2">type</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">+</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br>
</p>
                         <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (1) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period1, <span class="kw1">class</span> Rep2, <span class="kw1">class</span> Period2 <span class="sy1">&gt;</span><br>
<p><span class="kw1">typename</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span>, duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;&gt;</span><span class="sy4">::</span><span class="me2">type</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">-</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br>
</p>
                         <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (2) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period, <span class="kw1">class</span> Rep2 <span class="sy1">&gt;</span><br>
<p>duration<span class="sy1">&lt;</span><span class="kw1">typename</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>Rep1,Rep2<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span>, Period<span class="sy1">&gt;</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">*</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> d,<br>
</p>
                         <span class="kw4">const</span> Rep2<span class="sy3">&amp;</span> s <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (3) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Rep2, <span class="kw1">class</span> Period <span class="sy1">&gt;</span><br>
<p>duration<span class="sy1">&lt;</span><span class="kw1">typename</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>Rep1,Rep2<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span>, Period<span class="sy1">&gt;</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">*</span><span class="br0">(</span> <span class="kw4">const</span> Rep1<span class="sy3">&amp;</span> s,<br>
</p>
                         <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep2,Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> d <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (4) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period, <span class="kw1">class</span> Rep2 <span class="sy1">&gt;</span><br>
<p>duration<span class="sy1">&lt;</span><span class="kw1">typename</span> common_type<span class="sy1">&lt;</span>Rep1,Rep2<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span>, Period<span class="sy1">&gt;</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> d,<br>
</p>
                         <span class="kw4">const</span> Rep2<span class="sy3">&amp;</span> s <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (5) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period1, <span class="kw1">class</span> Rep2, <span class="kw1">class</span> Period2 <span class="sy1">&gt;</span><br>
<p><span class="kw1">typename</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>Rep1,Rep2<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br>
</p>
                         <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (6) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period, <span class="kw1">class</span> Rep2 <span class="sy1">&gt;</span><br>
<p>duration<span class="sy1">&lt;</span><span class="kw1">typename</span> common_type<span class="sy1">&lt;</span>Rep1,Rep2<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span>, Period<span class="sy1">&gt;</span><br>
    <span class="kw4">constexpr</span> operator<span class="sy2">%</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1, Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> d,<br>
</p>
                         <span class="kw4">const</span> Rep2<span class="sy3">&amp;</span> s <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td> (7) </td>
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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Rep1, <span class="kw1">class</span> Period1, <span class="kw1">class</span> Rep2, <span class="kw1">class</span> Period2 <span class="sy1">&gt;</span><br>
<p><span class="kw1">typename</span> common_type<span class="sy1">&lt;</span>duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span>, duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;&gt;</span><span class="sy4">::</span><span class="me2">type</span><br>
<span class="kw4">constexpr</span> operator<span class="sy2">%</span><span class="br0">(</span> <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep1,Period1<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,<br>
</p>
                     <span class="kw4">const</span> duration<span class="sy1">&lt;</span>Rep2,Period2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>Performs basic arithmetic operations between two durations or between a duration and a tick count.
</p>
<div class="t-li1">
<span class="t-li">1)</span> Converts the two durations to their common type and creates a duration whose tick count is the sum of the tick counts after conversion.</div>
<div class="t-li1">
<span class="t-li">2)</span> Converts the two durations to their common type and creates a duration whose tick count is the <code>rhs</code> number of ticks subtracted from the <code>lhs</code> number of ticks after conversion.</div>
<div class="t-li1">
<span class="t-li">3-4)</span> Converts the duration <code>d</code> to one whose <code>rep</code> is the common type between <code>Rep1</code> and <code>Rep2</code>, and multiples the number of ticks after conversion by <code>s</code>.</div>
<div class="t-li1">
<span class="t-li">5)</span> Converts the duration <code>d</code> to one whose <code>rep</code> is the common type between <code>Rep1</code> and <code>Rep2</code>, and divides the number of ticks after conversion by <code>s</code>
</div>
<div class="t-li1">
<span class="t-li">6)</span> Converts the two durations to their common type and divides the tick count of <code>lhs</code> after conversion by the tick count of <code>rhs</code> after conversion. Note that the return value of this operator is not a duration.</div>
<div class="t-li1">
<span class="t-li">7)</span> Converts the duration <code>d</code> to one whose <code>rep</code> is the common type between <code>Rep1</code> and <code>Rep2</code>, and creates a duration whose tick count is the remainder of the division of the tick count, after conversion, by <code>s</code>.</div>
<div class="t-li1">
<span class="t-li">8)</span> Converts the two durations to their common type and creates a duration whose tick count is the remainder of the tick counts after conversion.</div>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Parameters">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span>
</h3>
<table class="t-par-begin">


<tr class="t-par">
<td>  lhs
</td>
<td> -
</td>
<td>  duration on the left-hand side of the operator
</td>
</tr>
<tr class="t-par">
<td>  rhs
</td>
<td> -
</td>
<td>  duration on the right-hand side of the operator
</td>
</tr>
<tr class="t-par">
<td>  d
</td>
<td> -
</td>
<td>  the duration argument for mixed-argument operators
</td>
</tr>
<tr class="t-par">
<td>  s
</td>
<td> -
</td>
<td>  tick count argument for mixed-argument operators
</td>
</tr>
</table>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Return value">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span>
</h3>
<p>Assuming that <span class="t-c"><span class="mw-geshi cpp source-cpp">CD</span></span> is the function return type and <span class="t-c"><span class="mw-geshi cpp source-cpp">CR<span class="sy1">&lt;</span>A, B<span class="sy1">&gt;</span> <span class="sy1">=</span> <a href="../../types/common_type.html"><span class="kw524">std::<span class="me2">common_type</span></span></a><span class="sy1">&lt;</span>A, B<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span></span></span>, then:
</p>
<div class="t-li1">
<span class="t-li">1)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>lhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">+</span> CD<span class="br0">(</span>rhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span>
</div>
<div class="t-li1">
<span class="t-li">2)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>lhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">-</span> CD<span class="br0">(</span>rhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span>
</div>
<div class="t-li1">
<span class="t-li">3-4)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>d<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">*</span> s<span class="br0">)</span></span></span> </div>
<div class="t-li1">
<span class="t-li">5)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>d<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">/</span> s<span class="br0">)</span>.</span></span>
</div>
<div class="t-li1">
<span class="t-li">6)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>lhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">/</span> CD<span class="br0">(</span>rhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span></span></span>  (the return type of this operator is not a duration)</div>
<div class="t-li1">
<span class="t-li">7)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>d<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">%</span> s<span class="br0">)</span></span></span>
</div>
<div class="t-li1">
<span class="t-li">8)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp">CD<span class="br0">(</span>CD<span class="br0">(</span>lhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy2">%</span> CD<span class="br0">(</span>rhs<span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span>
</div>
<p><br>
</p>
<h3>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span>
</h3>
<div class="t-example">
<div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;chrono&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="co1">// simple arithmetic</span>
    <a href="../duration.html"><span class="kw841">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">seconds</span></span></a> s <span class="sy1">=</span> <a href="../duration.html"><span class="kw843">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">hours</span></span></a><span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span> 
                             <span class="sy2">+</span> <span class="nu0">2</span><span class="sy2">*</span><a href="../duration.html"><span class="kw842">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">minutes</span></span></a><span class="br0">(</span><span class="nu0">10</span><span class="br0">)</span>
                             <span class="sy2">+</span> <a href="../duration.html"><span class="kw841">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">seconds</span></span></a><span class="br0">(</span><span class="nu0">70</span><span class="br0">)</span><span class="sy2">/</span><span class="nu0">10</span><span class="sy4">;</span>
 
    <a href="../../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">"1 hour + 2*10 min + 70/10 sec = "</span> <span class="sy1">&lt;&lt;</span> s.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" seconds<span class="es1">\n</span>"</span><span class="sy4">;</span>
 
    <span class="co1">// difference between dividing a duration by a number</span>
    <span class="co1">// and dividing a duration by another duration</span>
    <a href="../../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">"Dividing that by 2 minutes gives "</span>
              <span class="sy1">&lt;&lt;</span> s <span class="sy2">/</span> <a href="../duration.html"><span class="kw842">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">minutes</span></span></a><span class="br0">(</span><span class="nu0">2</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
    <a href="../../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">"Dividing that by 2 gives "</span>
              <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>s <span class="sy2">/</span> <span class="nu0">2</span><span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" seconds<span class="es1">\n</span>"</span><span class="sy4">;</span>
 
   <span class="co1">// the remainder operator is useful in determining where in a time</span>
   <span class="co1">// frame is this particular duration, e.g. to break it down into hours,</span>
   <span class="co1">// minutes, and seconds:</span>
   <a href="../../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> s.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" seconds is "</span>
             <span class="sy1">&lt;&lt;</span> <a href="duration_cast.html"><span class="kw844">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration_cast</span></span></a><span class="sy1">&lt;</span><a href="../duration.html"><span class="kw843">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">hours</span></span></a><span class="sy1">&gt;</span><span class="br0">(</span>
                    s
                <span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" hours, "</span>
             <span class="sy1">&lt;&lt;</span> <a href="duration_cast.html"><span class="kw844">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration_cast</span></span></a><span class="sy1">&lt;</span><a href="../duration.html"><span class="kw842">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">minutes</span></span></a><span class="sy1">&gt;</span><span class="br0">(</span>
                    s <span class="sy2">%</span> <a href="../duration.html"><span class="kw843">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">hours</span></span></a><span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span>
                <span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" minutes, "</span>
             <span class="sy1">&lt;&lt;</span> <a href="duration_cast.html"><span class="kw844">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">duration_cast</span></span></a><span class="sy1">&lt;</span><a href="../duration.html"><span class="kw841">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">seconds</span></span></a><span class="sy1">&gt;</span><span class="br0">(</span>
                    s <span class="sy2">%</span> <a href="../duration.html"><span class="kw842">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">minutes</span></span></a><span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span>
                <span class="br0">)</span>.<span class="me1">count</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">" seconds<span class="es1">\n</span>"</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">1 hour + 2*10 min + 70/10 sec = 4807 seconds
Dividing that by 2 minutes gives 40
Dividing that by 2 gives 2403 seconds
4807 seconds is 1 hours, 20 minutes, 7 seconds</pre></div></div> 
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